Incorrect simulation results for flyback converter using Simpowersys

I have created a flyback converter model using Simpowersystems in Simulink/Matlab. But it always gives me the wrong answer! I have simulated the same system using PLECS and Simscape/simulink and got the correct answer. But with my Simpowersystems model, it always gives me the wrong answer here is a link to the model

Staff: Mentor

I have created a flyback converter model using Simpowersystems in Simulink/Matlab. But it always gives me the wrong answer! I have simulated the same system using PLECS and Simscape/simulink and got the correct answer. But with my Simpowersystems model, it always gives me the wrong answer here is a link to the model